I *think* that means you need to register the DLL (use regsrv32.exe)
http://support.microsoft.com/kb/249873#method1

>I'm trying to create a multi-threaded DLL that will be used to pass a dataset to C# .NET via XML. I have created my .DLL in VFP and then I went to test it by issuing this command from the command window:
>
>

>oDemo = CREATEOBJECT("comtest.VFPCom")
>

>
>After issuing that command I get an OLE Error. I'm not sure there is enough in that error for anyone to know what I'm doing wrong, but I was wondering if anyone has any pointers on how to debug a COM server like this?